`active-engineering.jp`

DNSSEC	⚠️ Not signed
A	157.205.36.54^{🇯🇵 AICS157.205.36.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp}
		PTR	`websvr157-205-36-54.alpha-prm.jp`
NS	`fjkdns99.alpha-prm.jp` ⭐
		A	157.205.203.140^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkmst11.alpha-prm.jp`
NS	`fjkdns11.alpha-prm.jp`
		A	157.205.203.136^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns11.alpha-prm.jp`
NS	`fjkdns12.alpha-prm.jp`
		A	157.205.160.33^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns12.alpha-prm.jp`
NS	`fjkdns13.alpha-prm.jp`
		A	157.205.160.49^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns13.alpha-prm.jp`
MX	`mxi.alpha-prm.jp` ⭐
		A	157.205.8.22^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`mxi.alpha-prm.jp`
TXT	`v=spf1 ip4:157.205.36.54/32 include:spf.alpha-prm.jp ~all`
SOA	`fjkdns99.alpha-prm.jp`hostmaster@alpha-prm.jp 2026-03-24 #1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1774882805

Same first word

active-engineering.jp

Similar names

avitec-engineering.com

DNS History

11 records (6 active, 5 former)

○NSfjkdns01.alpha-prm.jp2015-07-24 → 2017-03-20 · 4 obs

● 2015-07-24 11:38:56
● 2017-03-20 09:39:50
○ 2026-03-23 00:28:10
○ 2026-03-30 15:18:50

○NSfjkdns02.alpha-prm.jp2015-07-24 → 2017-03-20 · 4 obs

● 2015-07-24 11:38:56
● 2017-03-20 09:39:50
○ 2026-03-23 00:28:10
○ 2026-03-30 15:18:50

○NSfjkdns03.alpha-prm.jp2015-07-24 → 2017-03-20 · 4 obs

● 2015-07-24 11:38:56
● 2017-03-20 09:39:50
○ 2026-03-23 00:28:10
○ 2026-03-30 15:18:50

●NSfjkdns11.alpha-prm.jp2026-03-23 → 2026-03-30 · 3 obs

○ 2017-03-20 09:39:50
● 2026-03-23 00:28:10
● 2026-03-30 15:18:50

●NSfjkdns12.alpha-prm.jp2026-03-23 → 2026-03-30 · 3 obs

○ 2017-03-20 09:39:50
● 2026-03-23 00:28:10
● 2026-03-30 15:18:50

●NSfjkdns13.alpha-prm.jp2026-03-23 → 2026-03-30 · 3 obs

○ 2017-03-20 09:39:50
● 2026-03-23 00:28:10
● 2026-03-30 15:18:50

●NSfjkdns99.alpha-prm.jp2026-03-23 → 2026-03-30 · 3 obs

○ 2017-03-20 09:39:50
● 2026-03-23 00:28:10
● 2026-03-30 15:18:50

○NSfjkmst01.alpha-prm.jp2015-07-24 → 2017-03-20 · 4 obs

● 2015-07-24 11:38:56
● 2017-03-20 09:39:50
○ 2026-03-23 00:28:10
○ 2026-03-30 15:18:50

●MXmxi.alpha-prm.jp2015-07-24 → 2026-03-30 · 2 obs

● 2015-07-24 11:38:56
● 2026-03-30 15:18:50

●A157.205.36.542026-03-23 → 2026-03-30 · 3 obs

○ 2017-03-20 09:39:50
● 2026-03-23 00:28:10
● 2026-03-30 15:18:50

○A27.0.43.372015-07-24 → 2017-03-20 · 4 obs

● 2015-07-24 11:38:56
● 2017-03-20 09:39:50
○ 2026-03-23 00:28:10
○ 2026-03-30 15:18:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, c.dns.jp, e.dns.jp, g.dns.jp...	-
active-engineering.jp	fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp, fjkdns11.alpha-prm.jp	3 records

✅ Authoritative Response

Server:157.205.160.33

NS records: fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp, fjkdns11.alpha-prm.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for active-engineering.jp (unsigned zone)

⏱️ Timing

Total: 771ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.205.36.54`
NS	3	`fjkdns13.alpha-prm.jp, fjkdns12.alpha-prm.jp...`
MX	1	`mxi.alpha-prm.jp (pri: 100)`
TXT	1	`v=spf1 ip4:157.205.36.54/32 include:spf.`
SOA	1	`fjkdns99.alpha-prm.jp hostmaster.alpha-p`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (fjkdns13.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp)

Analysis

IP Addresses

active-engineering.jp points to a single IP number: 157.205.36.54.

Other host names, for instance websvr157-205-36-54.alpha-prm.jp, share IP numbers with active-engineering.jp.

Name Servers

active-engineering.jp is delegated to four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

active-engineering.jp shares name servers with other domains at least partially, for instance hoyo-sangyo.co.jp, libertas.co.jp, mets2.com, oscc.co.jp and taikojapan.com.

Host names with a single IP:

fjkdns11.alpha-prm.jp points to 157.205.203.136.

fjkdns12.alpha-prm.jp points to 157.205.160.33.

fjkdns13.alpha-prm.jp points to 157.205.160.49.

fjkdns99.alpha-prm.jp points to 157.205.203.140.

Mail Servers

The mail server for active-engineering.jp is mxi.alpha-prm.jp.

active-engineering.jp shares the same mail server setup as other domains, including os-in.com, miyata-group.com, koda-express.co.jp, hawaiianhost.co.jp and kojyo.jp.

Host name mxi.alpha-prm.jp resolves to IP 157.205.8.22.

active-engineering.jp - robtex.com